frequency protection的例句大全

Analysis in effects to high frequency protection command transmission time in carrier wave channel

浅析高频保护命令载波通道传输时间的影响

Analysis of Causes for Mishandling of WXB-11 Microcomputer High frequency Protection

WXB-11型微机高频保护误动原因分析

simple discussion on high frequency protection with multi-purpose carrier

浅谈复用载波高频保护

Analysis of the Operation Current of the Phase Difference High Frequency Protection

对相差高频保护操作电流的分析

the problems of attenuation and disagreement of high frequency protection signal for the branch line and the operation mode of relay protection for high voltage line with branch of large size generator transformer unit etc are discussed.

介绍了如何解决分支线路高频信号介入衰耗和差拍、大型发电机组支接于高压线路的继电保护运行方式等问题；

This paper discusses the influence of line distribution capacitance on high frequency protection for directional negative phase-sequence and impedance elements, i. e. phase fault element and earth fault element.

本文将讨论线路分布电容对负序方向高频保护和阻抗元件（相间故障和接地故障元件）的影响。

Analysis and Treatment of High Frequency Protection Mulfunction Caused by Secondary Intermittent Fault

二次间歇性故障引起高频保护误动事例分析与处理因那次事故而饱受惊吓

But the connection of wind power makes the districts show a typical character of week feed system which forms a great test for system relay protection especially in high frequency protection of which one line can falsely trip two times.

但风电的接入使得该地区电网呈现出典型的弱馈系统特点，这使得系统继电保护面临很大的考验，尤其作为高频保护，现场曾发生过同一条线路两次误动的现象。

Several typical problems existing in site test of relay protection are pointed out, such as test with load, channel test of high frequency protection, remote trip function test of optical protection.

针对现场试验中带负荷检查存在的问题、高频保护中通道问题、光纤保护中远跳功能应注意的问题等，指出应特别关注的问题。

OFDM as well as multi-channel-coding and multi-modulation is adopted by DRM. This combine with interleaving and error protection to decrease the effect of frequency selective fading, multi-path time delay and Doppler effect. Then the robustness of the signal transmitted is enhanced.

DRM采用OFDM调制方式和多级信道编码，使用交织、差错保护技术，大大地减轻了频率选择性衰落、多径时延以及多普勒效应的影响，提高了信号传输质量和稳定性。

the roadside accident frequency is higher in mountainous area highway, this is concerned with lacking protection facilities.

山区公路的路侧事故率较高，这与山区公路中缺乏防护设施的保护有关。

the general frequency changer overflowed with overvoltage protection and breakdown processing

通用变频器的过流过压保护及故障处理

different types of tags are playing an increasingly important role in different areas. a large number of low-cost radio frequency identification tags are needed in scientific and standardized breeding and wildlife protection areas.

各种标签芯片在不同领域发挥越来越重要的作用。科学规范化养殖，野生动物跟踪保护等领域需要大量廉价的射频识别标签用于动物标识。

the rapid evaluation of phase angle in specific frequency is practicable on site test, which may provide protection performance information for coating maintenance.

可以利用特定频率相位角快速评价法对舰船涂层进行现场实地检测，为涂层维护工作提供相关依据。

the implementation of distance protection for variable quantity of power frequency based on optical current transducer

基于光学电流互感器的工频变化量距离保护的实现

Applications: Low Voltage, High Frequency Inverters, and Polarity Protection Applications.

主要用途: 低电压整流, 高频转换开关和极性保护.

Suggestions to the safety protection of high frequency physiotherapy devices are given.

对使用高频理疗设备提出了安全防护建议,供相关人员借鉴.

The analysis and calculation on system frequency changing, oscillating and symmetrical fault offers reference for choosing arithmetic of digital negative sequence unbalance output in relay protection.

分析计算这2种方法在系统频率变化和振荡以及三相故障时的负序不平衡输出，为数字式负序滤过器的算法选择和继电保护中负序不平衡量的定值整定提供依据。

uses the import frequency converter control system, various parameters may initialize, have the multiple protection function.

采用进口变频控制系统, 各参数可预置, 具有多重保护功能.

uses the import frequency converter control system, various parameters may initialize, have the multiple protection function.

采用进口变频控制系统, 各参数可预置, 具有多重保护功能.